Fresh hacks every day
ePaper displays are easy on the eyes because there’s no flickering backlight to put strain on them. This is great until you’re trying to read in a dim environment. Of course Amazon will sell you a backlight that’s powered from the reader itself if you’re willing to pay. [Txoof] thought the price was a bit too high so he built … Read the rest
The theory behind speaker operation is pretty simple. There’s a coil that is attached to some type of diaphragm and a permanent magnet. When electrical signals pass through the coil a magnetic field is generated, and that field’s interaction with the permanent magnet causes the diaphragm to vibrate and create sound. But we’ve always assumed that the vibrating material must … Read the rest
[Erich aka VK5HSE] performs quite a bit of solder reflow work, but has always been concerned about bumping his circuit boards once the solder has liquified and is ready to be removed from the heat source. He says that removing workpieces from toaster ovens often results in the unintentional jarring of a circuit board full of components sitting on molten … Read the rest
[Jay] sent us some details of a quick fix for a baby swing he owns, along with the unlikely place where he found replacement parts. We showed you a pair of his creations earlier this week, which you might recall. As luck would have it, the motor on the baby swing he modified burned out shortly after we … Read the rest
Hack-a-Day reader [Bobbie] sent us a hack that is an adaptation of the automatic cell phone button pushing machine we featured earlier this week. Inspired by that project, he challenged himself to construct a more efficient way to tackle the problem.
He started out in much the same fashion, pointing a camera at the phone in order to view the … Read the rest
[BadWolf] sent us a device called the “Bacon Beacon“, which is his 555 Design Contest entry. In short, it’s a life-saving device that emits an S.O.S. signal in Morse code over both the AM and FM bands. The device uses five 555 timers to get the job done, each of them dedicated to a specific task. Three of … Read the rest
The Chronos watch from Texas Instruments is a handy little piece of hardware if placed in the right hands. If you are not familiar with the platform, it is marketed as a “wearable wireless development system that comes in a sports watch”. In plain English, it’s a wearable wireless MCU mated with a 96 segment LCD, that boasts an integrated … Read the rest
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